# Package net.sourceforge.pmd.lang.rule.xpath

Interface Summary
Interface | Description
--- | ---
XPathRuleQuery | This interface captures the logic needed by XPathRule to implement an XPath based query on an AST Node.

Class Summary
Class | Description
--- | ---
AbstractXPathRuleQuery | This implementation of XPathRuleQuery provides support for RuleChain visits.
JaxenXPathRuleQuery | This is a Jaxen based XPathRule query.
SaxonXPathRuleQuery | This is a Saxon based XPathRule query.